Hitachi, Ltd.

Nissan Motor Company Limited

Clarion Co

Xanavi Informatics Corporation

Ntt Fanet Systems Corporation

Masao Sakata

Masato Imai

Seiji Ishikawa

Isao Miyazaki

Jun Nakazato

Sadao Shimoyashiro

Yuzo Taniguchi

Kazuhiko Matsuoka

Hiroto Nagatomo

Kimio Muramatsu

Yuichi Ohyama

Tsutomu Okabe

Osamu Satou

Yuzaburo Sakamoto

Shuichi Hanashima

Taizo Hashimoto

Yutaka Ebara

Hiroshi Sakamoto

Shigeru Kobayashi

Tsuneaki Kamei

Shigeru Okabayashi

Hideaki Shimamura

Yoshitaka Uchida

Takashi Okada

Katsuo Abe

Tohru Futami

Tsuyoshi Todoriki

Tatsuya Ochi

Masahiro Kiyohara

Kota Irie

Yoshiyuki Miyamoto

Osamu Kasahara

Mikio Bando

Hidetsugu Ogishi

Satoru Hirose

Toru Segoshi

Tsuneyoshi Kawahito

Junichi Fukano

Yoichi Iijima

Kazuko Ishihara

Hiroshi Watanabe

Toshimichi Minowa

Shoji Muramatsu

Masatoshi Hoshino

Yasumichi Suzuki

Takeshi Inoue

Takeshi Shima

Takehito Ogata

Takashi Ueno

Masayuki Takemura

Takayuki Watanabe

Koichiro Tanikoshi

Susumu Aiuchi

Takashi Sunda

Daisuke Ito

Toshiro Muramatsu

Takaomi Nishigaito

Akira Utagawa

Tadashi Mori

Kentaro Maki

Hiroshi Saitou

Tsutomu Tsuyama

Kou Wada

Hideki Tateishi

Mikio Ueyama

Takemasa Iwasaki

Kazutoshi Tsuchiya

Yuji Yoneoka

Kenichi Tanaka

Takeshi Oyamada

Shoyo Fujita

Tomio Kusagaya

Toshihiko Odagiri

Yoshiaki Otake

Masamitsu Furukawa

Masao Masumo

Masafumi Naito

An in-vehicle image processing device processes camera images to determine a parkable area and includes an overhead image generation section generating an overhead image relative to a road surface by converting the view point of an image of a nearby vehicle and the road surface taken by a vehicle-mounted camera; a tire recognition section recognizing the tires of the nearby vehicle; a three-dimensional object recognition section recognizing three-dimensional objects including the nearby vehicle; an area-under-vehicle recognition section calculating the ground contact position of the tire and the above-ground height from the ground contact position to the vehicle body and recognizing an area under the vehicle body on the road surface from the overhead image; and a parkable area recognition section for recognizing the area occupied by the vehicle body and the area under the vehicle body as a non-parking area and recognizing a parkable area on the road surface.

In-vehicle image processing device

An automatic parking control device performs steering control and speed control so that a subject vehicle moves along a target path toward a recognized parking space; when an obstacle that is approaching the subject vehicle has been detected, calculates a collision position at which the subject vehicle will collide with the obstacle; on the basis of a margin distance that is set according to the driving behavior of the subject vehicle and the collision position, calculates a stop position upon the target path that is set before the collision position by the margin distance; and performs speed control so that the subject vehicle stops at the stop position that has been calculated.

Automatic parking control device, and parking assistance device

Provided is a vehicle surroundings recognition apparatus capable of enhancing a calculation accuracy of a relative position and a relative speed with respect to an object such as a pedestrian even in a case where the object cannot be detected accurately in some of the images obtained by performing image-capturing around a vehicle, for example. In a case where a first state in which a first detection unit and a second detection unit detect first position information and second position information about an object and a second state in which only a second detection unit detects second position information about the object occur in a time sequence, first position information interpolation information for interpolating the first position information about the object in the second state is calculated on the basis of the first position information and the second position information in the first state and the second position information in the second state, and a relative distance and a relative speed to the object are measured on the basis of the first position information and the first position information interpolation information.

Vehicle-surroundings recognition device

A surrounding environment recognition device includes: an image acquisition unit that obtains a photographic image from a camera for capturing, via a camera lens, an image of a surrounding environment around a mobile object; an image recognition unit that recognizes an object image of an object present in the surrounding environment based upon the photographic image obtained by the image acquisition unit; an accumulation detection unit that detects accumulation settled on the camera lens based upon the photographic image obtained by the image acquisition unit; a suspension decision-making unit that makes a decision, based upon detection results provided by the accumulation detection unit, whether or not to suspend operation of the image recognition unit; a tracking unit that detects a characteristic quantity in a tracking target image from a specific area in an image captured by the image acquisition unit for a reference frame, determines through calculation an estimated area where the characteristic quantity should be detected in an image captured by the image acquisition unit for a later frame relative to the reference frame and makes a decision as to whether or not the characteristic quantity for the tracking target image is also present in the estimated area; and a resumption decision-making unit that makes a decision, based upon at least decision-making results provided by the tracking unit and indicating whether or not the characteristic quantity for the tracking target image is present, as to whether or not to resume the operation of the image recognition unit currently in a suspended state.

Surrounding environment recognition device

A vehicle attitude angle calculating device finds a yaw angle of a vehicle with reference to a lane stably without using information on a road vanishing point even in the state where a vehicle pitch angle varies. The vehicle attitude angle calculating device includes: a dividing line detection unit that detects a dividing line from image information received from a vehicle-mounted imaging device, the image information being a captured image of an outside of a vehicle; a distance calculation unit that calculates a distance between the dividing line and the optical axis of the vehicle-mounted imaging device every predetermined processing period; and a vehicle angle calculation unit that calculates a dividing line angle based on the calculated distance between the dividing line and the optical axis of the vehicle-mounted imaging device and a vehicle proceeding distance where the vehicle proceeds during a predetermined processing period.

Vehicle attitude angle calculating device, and lane departure warning system using same

Disclosed is an information terminal for electric-powered vehicles or a cruise controller therefor to provide a driver with a traveling method that can shorten a total required time to a destination including a charging time. An information terminal for electric-powered vehicle configured to calculate a required time for the vehicle to travel a route from a current position to a destination in accordance with map information, includes: route setting means that searches for a route to the destination; recharging place setting means that sets a charging place on a way of the route to the destination set by the route setting means; and charging facility information acquisition means that acquires information on the charging place set by the recharging place setting means. A recommended vehicle speed or a vehicle speed range including the recommended vehicle speed at a section to the charging place is calculated.

Information terminal and cruise controller for electric-powered vehicle

It is an object to provide a lane departure warning device capable of generating almost no false warning if a driver performs an avoiding operation of a lane departure. The lane departure warning device estimates the steering amount of the own vehicle toward the center of the lane or the amount correlating with this steering amount based on the parameter representing the vehicle behavior such as the steering angle, the yaw rate and the lateral G, thereby detecting the state of the vehicle steering toward the center of the lane when a driver is performing an avoiding operation to avoid the lane departure (quick steering), and determining whether or not the possibility of the vehicle's departure from the lane is high without using the time TLC and its threshold value Ts, but only based on the determination whether or not the distance Dor Dfrom the outer edge of the front wheel to the marking line is less than the threshold value Ds if the driver performs the avoiding operation to avoid the lane departure (quick steering).

Lane departure warning device

Provided is a lane determining device that is capable of quickly and accurately determining the lane traveled by a host vehicle traveling on a road with a plurality of lanes in each direction. A lane determining device that determines the lane traveled by the host vehicle traveling on a road with a plurality of lanes in each direction comprises: road geometry obtaining means that obtains road geometry; imaging means that images the road; division line recognition means that recognizes a division line from an image imaged by the imaging means; first path computation means that computes a path of the host vehicle by repeatedly computing a distance from the division line recognized by the division line recognition means to the imaging means; second path computation means that computes a path of the host vehicle based on the road geometry obtained by the road geometry obtaining means and on autonomous navigation; third path computation means that computes a path of the host vehicle based on a first path computed by the first path computation means and on a second path computed by the second path computation means; and traveled lane determination means that determines the lane traveled by the host vehicle based on a third path computed by the third path computation means.

Lane determining device and navigation system

A vehicle is guided to a lane that the vehicle should run, even if map data do not include lane information of a tollgate. A navigation processing partmakes a vehicle running path calculation partcalculate a running path of the vehicle from a point of a prescribed distance from the tollgate until an ETC receipt signal receiving partreceives an ETC receipt signal. Then, the navigation processing partcalculates an approximate position of an ETC lane on the basis of the running path, and accumulates the calculated approximate position in a storage unit. Further, when the vehicle approaches to the tollgate within a prescribed distance from the tollgate, the navigation processing partobtains the approximate position of the ETC lane of the tollgate from the storage unit, and displays the approximate position through a display processing part, to guide the user to the ETC lane.

Navigation device and lane guide method

The present invention relates to a vehicle speed control device for controlling a speed of a vehicle. The vehicle speed control device includes a current location error estimation section for extracting area attribute information from the map information, for producing a location error probability distribution, a target speed calculation section for receiving the target speed correction instruction, for accessing preset data that shows an acceleration or a gradient of an acceleration which allows a driver not to feel uncomfortable, and for computing target speed values at nodes over the distance in such a way that the target speed values create a continuous curve, and a speed control section for sensing a speed of a vehicle, and for controlling a driving torque of the vehicle so that the sensed speed traces the continuous curve composed of the target speed values.

Vehicle speed control device, method of determining target speed by using the device, and program executing the method

A vehicle speed control system includes: a unit for computing a first target velocity based on map information; a unit for computing a second target velocity based on a road profile obtained from other information than the map information (such as lane recognition using a camera); a unit for comparing the first target velocity and the second target velocity; a unit for selecting a lower target velocity therefrom; and a unit for controlling a vehicle velocity in accordance with the selected target velocity.

Vehicle speed control system

This invention provides a vehicle cruise control system which, during recognition of a shape of a road extending in a frontward direction of host vehicle, can calculate the road shape rapidly and accurately from a positional relationship with respect to the host vehicle. The system includes at least: a position change detector that detects, from information on the road existing in the frontward direction of the vehicle, a horizontal distance from a line segment orthogonal to a traveling direction vector of the vehicle, to a centerline of the road, the detection being conducted at a plurality of measuring points in an extending direction of the traveling direction vector; a road shape recognizer that identifies the shape of the road from data relating to linearity of changes in each of the horizontal distances, the linearity data being obtained by the position change detector; and a cruise controller that controls traveling of the vehicle according to results of the identification by the road shape recognizer.

Cruise control system for a vehicle

A vehicle control system includes a route setting unit for setting a route from a start point to a destination; an information obtaining unit for obtaining from a memory position information of at least one base point and at least one control point existing in the route set by the setting unit; a base point recognition unit for recognizing that a current position of a vehicle reaches a position of the base point obtained by the obtaining unit; a running situation monitoring unit for determining as a predetermined distance a running distance from the base point most lately recognized by the recognition unit; and a control unit for executing an advanced control to the vehicle if the predetermined distance obtained by the monitoring unit is shorter than any of first and second threshold distances, when the current position reaches a position of the control point obtained by the obtaining unit.

Vehicle control system, vehicle control method, and vehicle control program

A joystick input device adapted to be mounted on a vehicle and an operational failure avoidance method are disclosed, wherein controllable operation guidesare set in an operational range of a stickthat is rendered operative only in a given direction depending on a GUI condition. A stick control computing devicestores information related to an operational direction upon judgment of occurrence of operational failures caused during stick operation, discriminates an occurrence tendency of the operational failures through analysis of a history of the operational failures, thereby adjusting a moveable mode of the operation guide so as to avoid the operational failures.

Multi-way input device and operating failure avoidance method using the same

Growing community of inventors

Yokohama, Japan

Masao Sakata